方法14名受试者分别参加肱二头肌和腰部脊竖肌等长运动负荷实验，取表面肌电信号进行FF T功率谱及其功率谱二维地形图分析。
Methods Static isometric loading of the biceps and low back muscle was performed in 14 subjects, using FFT power spectrum and its two dimensional mapping to analyze SEMG signals from these muscles.
递增负荷运动过程中，实验组TV增长速度始终大于对照组。
In incremental exercise process, experimental group's TV increasing velocity is always bigger than that of the control group.
对安静状态和承受不同运动负荷状态下，投篮命中率的实验与使用九洞仪进行的手动稳定性测试结果相同。
Under rest state and different motor load state, the results of the stability of hand action were both the same in shooting average and nine-hole instrument test.
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